Cinematographical character of ancient philosophy, 315-6 of intellectual knowledge, 306, 307, 312-8, 323-4, 331-3, 346 of language, 306-7, 312-5 of modern science, 329-31, 336-7, 341-3, 345, 346, 347 Circle of the given, broken by action, 192, 247 logical and physical, 277 vicious, in intellectualist philosophy, 193, 197, 320 vicious, in the intuitional method is only apparent, 192, 193 Circularity of God's thought in Aristotle's philosophy, 324 of each special evolution, 128 Circulation, protoplasmic, imitated, 32-3 in plants and animals, 108 Circumstances in the determination of evolution, 101-2, 128-9, 133, 138, 142, 150-1, 167, 168, 170-1, 193, 194, 252, 256 in relation to special instincts, 138, 168, 193 Classes of words corresponding to the three kinds of representation, 303-4 Clausius, 243 Clearness characteristic of intellect, 160 Cleft between the organized and the unorganized, 190, 196-9 Climbing plants, instincts of, 170 _note_ Coincidence of matter with space as in Kant, 206, 207, 244 of mind with intellect as in Kant, 48, 206 of qualities, 216 of seeing and willing, 237 of self with self, definition of the feeling of duration, 199-200 Coleopter, instinct in, 146 Colonial theory, 259, 260 Colonies, microbial, 259 Color variation in lizards, 72, 74 Coming and going of the mind between the without and the within gives rise to the idea of "Nothing," 279 between nature and mind, the true method of philosophy, 239 Common-sense, 29, 153, 161, 213, 224, 277 defined as continuous experience of the real, 213 Comparison of ancient philosophy with modern, 226, 228-9, 232, 328-9, 345-6, 349-51, 353-4, 356 Compenetration, 352-3. _See_ Interpenetration Complementarity of forms evolved, xii, xiii, 51, 101, 103, 113, 116-7, 135, 136, 254, 255 of instinct and intelligence, 146, 173. _See_ Opposition of Instinct and Intelligence of intuition and intellect, 343, 345 in the powers of life, 49, 96-7, 140-3, 177, 178-9, 183-5, 239, 246, 254, 343 of science and metaphysics, 344 Complexity of the order of mathematics, 208-10, 217, 251 Compound reflex, instinct as a, 174 Concentration, intellect as, 191, 301 of personality, 198-9, 201 Concentric spheres in Aristotle's philosophy, 328 Concept accessory to action, ix analogy of, with the solid body, ix in animals, 187 externality of, 160, 168, 175-8, 199-200, 251, 306, 311, 314 fringed about with intuition, 46 and image distinguished, 160, 279 impotent to grasp life, ix-xiii, 49 intellect the concept-making faculty, vi, 49 misfit for the vital, 48 representation of the act by which the intellect is fixed on things, 161 synthesis of, in ancient philosophy, 325-6, 356. _See_ Categories, Externality, Frames, Image, Space, Symbol